SG57987G - Circuit protection devices - Google Patents

Circuit protection devices

Info

Publication number
SG57987G
SG57987G SG579/87A SG57987A SG57987G SG 57987 G SG57987 G SG 57987G SG 579/87 A SG579/87 A SG 579/87A SG 57987 A SG57987 A SG 57987A SG 57987 G SG57987 G SG 57987G
Authority
SG
Singapore
Prior art keywords
volts
voltages
devices
circuit protection
protection devices
Prior art date
Application number
SG579/87A
Other languages
English (en)
Original Assignee
Raychem Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Raychem Corp filed Critical Raychem Corp
Publication of SG57987G publication Critical patent/SG57987G/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/02—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient
    • H01C7/027—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having positive temperature coefficient consisting of conducting or semi-conducting material dispersed in a non-conductive organic material

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Electromagnetism (AREA)
  • Dispersion Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Emergency Protection Circuit Devices (AREA)
  • Thermistors And Varistors (AREA)
  • Amplifiers (AREA)
  • Burglar Alarm Systems (AREA)
  • Electronic Switches (AREA)
SG579/87A 1980-04-21 1987-07-10 Circuit protection devices SG57987G (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/141,987 US4413301A (en) 1980-04-21 1980-04-21 Circuit protection devices comprising PTC element

Publications (1)

Publication Number Publication Date
SG57987G true SG57987G (en) 1987-11-13

Family

ID=22498095

Family Applications (1)

Application Number Title Priority Date Filing Date
SG579/87A SG57987G (en) 1980-04-21 1987-07-10 Circuit protection devices

Country Status (10)

Country Link
US (1) US4413301A (de)
EP (1) EP0038715B1 (de)
JP (1) JPS56160005A (de)
AT (1) ATE81564T1 (de)
CA (1) CA1177527A (de)
DE (1) DE3177291T2 (de)
GB (1) GB2074377B (de)
HK (1) HK82689A (de)
MY (1) MY8700777A (de)
SG (1) SG57987G (de)

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US4549161A (en) * 1982-02-17 1985-10-22 Raychem Corporation PTC Circuit protection device
US4550301A (en) * 1982-02-17 1985-10-29 Raychem Corporation PTC Circuit protection device
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US5089688A (en) * 1984-07-10 1992-02-18 Raychem Corporation Composite circuit protection devices
US5148005A (en) * 1984-07-10 1992-09-15 Raychem Corporation Composite circuit protection devices
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US4924074A (en) * 1987-09-30 1990-05-08 Raychem Corporation Electrical device comprising conductive polymers
AU620579B2 (en) * 1987-09-30 1992-02-20 Raychem Corporation Electrical device comprising conductive polymers
US5122775A (en) * 1990-02-14 1992-06-16 Raychem Corporation Connection device for resistive elements
US5247277A (en) * 1990-02-14 1993-09-21 Raychem Corporation Electrical devices
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US5493101A (en) * 1993-12-15 1996-02-20 Eaton Corporation Positive temperature coefficient transition sensor
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US5428195A (en) * 1994-01-31 1995-06-27 General Electric Company Current limiter unit for molded case circuit breakers
US5530613A (en) * 1994-06-01 1996-06-25 Eaton Corporation Current limiting circuit controller
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US6023403A (en) * 1996-05-03 2000-02-08 Littlefuse, Inc. Surface mountable electrical device comprising a PTC and fusible element
SE506757C2 (sv) * 1996-07-02 1998-02-09 Ericsson Telefon Ab L M Säkringsanordning för en portabel batteridriven elektrisk apparat
DE29621154U1 (de) * 1996-12-05 1998-04-02 Wickmann-Werke GmbH, 58453 Witten Elektrische Sicherung
US6020808A (en) 1997-09-03 2000-02-01 Bourns Multifuse (Hong Kong) Ltd. Multilayer conductive polymer positive temperature coefficent device
US6128168A (en) * 1998-01-14 2000-10-03 General Electric Company Circuit breaker with improved arc interruption function
US6282072B1 (en) 1998-02-24 2001-08-28 Littelfuse, Inc. Electrical devices having a polymer PTC array
US6172591B1 (en) 1998-03-05 2001-01-09 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
US6380839B2 (en) 1998-03-05 2002-04-30 Bourns, Inc. Surface mount conductive polymer device
US6236302B1 (en) 1998-03-05 2001-05-22 Bourns, Inc. Multilayer conductive polymer device and method of manufacturing same
US6242997B1 (en) 1998-03-05 2001-06-05 Bourns, Inc. Conductive polymer device and method of manufacturing same
DE19833609A1 (de) 1998-07-25 2000-01-27 Abb Research Ltd Elektrisches Bauteil mit einer Einschnürung in einem PTC-Polymerelement
KR20010079908A (ko) 1998-09-25 2001-08-22 추후보정 정의 온도 계수 폴리머 재료 제조 방법
US6582647B1 (en) 1998-10-01 2003-06-24 Littelfuse, Inc. Method for heat treating PTC devices
US6144540A (en) * 1999-03-09 2000-11-07 General Electric Company Current suppressing circuit breaker unit for inductive motor protection
US6157286A (en) * 1999-04-05 2000-12-05 General Electric Company High voltage current limiting device
US6429533B1 (en) 1999-11-23 2002-08-06 Bourns Inc. Conductive polymer device and method of manufacturing same
ATE352846T1 (de) * 2000-01-25 2007-02-15 Abb Research Ltd Elektrisches bauelement aus ptc-polymer zur strombegrenzung und zum kurzschluss-schutz
US6590962B1 (en) * 2000-06-21 2003-07-08 Teradyne, Inc. Method of performing non-interactive resistive fault location
US6628498B2 (en) 2000-08-28 2003-09-30 Steven J. Whitney Integrated electrostatic discharge and overcurrent device
US7883643B2 (en) * 2002-10-21 2011-02-08 Chi-Ming Chan Overvoltage protection materials and process for preparing same
US7854549B2 (en) 2007-06-29 2010-12-21 Fluke Corporation Systems and methods for dissipating heat generated during an electrical measurement
EP2093490B1 (de) * 2008-02-21 2014-01-08 Electrolux Home Products Corporation N.V. Backofen mit Abgasreinigungsanordnung
KR102898144B1 (ko) * 2019-12-05 2025-12-10 수조우 리텔퓨즈 오브이에스 컴퍼니 리미티드 역접속 보호를 구비한 릴레이 어셈블리

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DE3176415D1 (en) 1980-04-21 1987-10-08 Raychem Corp Conductive polymer compositions containing fillers
EP0038718B1 (de) 1980-04-21 1986-08-27 RAYCHEM CORPORATION (a California corporation) Leitfähige Polymer-Zusammensetzung mit Füllstoffen
US4317027A (en) 1980-04-21 1982-02-23 Raychem Corporation Circuit protection devices
US4545926A (en) 1980-04-21 1985-10-08 Raychem Corporation Conductive polymer compositions and devices
US4352083A (en) 1980-04-21 1982-09-28 Raychem Corporation Circuit protection devices

Also Published As

Publication number Publication date
GB2074377B (en) 1984-07-11
CA1177527A (en) 1984-11-06
HK82689A (en) 1989-10-27
JPS56160005A (en) 1981-12-09
JPH0340481B2 (de) 1991-06-19
US4413301A (en) 1983-11-01
ATE81564T1 (de) 1992-10-15
GB2074377A (en) 1981-10-28
DE3177291D1 (de) 1992-11-19
DE3177291T2 (de) 1993-05-19
MY8700777A (en) 1987-12-31
EP0038715B1 (de) 1992-10-14
EP0038715A1 (de) 1981-10-28

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